“tree secreta”的概念、定义、翻译、参考文献-科学参考

单词	tree secreta
释义	tree secreta Encyclopedia 农学树木分泌物释 tree exudate; tree secreta树木分泌物活立木的枝干、叶子、花朵、果实、根系等不同部位在生长过程中自然产生和受刺激产生的气体、液体或固体状物质，和以这些部位及其汁液为食的寄生生物所产生的代谢物或排泄物。通常指具有可收集和加工利用价值的物质。
随便看	observational data observational dispersion observational error observational learning observational material observational method observational network observational predicate calculus observational program observational project observational quantity observational sampling observational selection observation and description on external things observation and imitation of character observation control system observation equation observation error observation function observation likelihoods observation measurements observation method observation network at seabed observation of agrometeorological disasters observation of crop developmental stages

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。